The invention discloses a smart helmet. The smart helmet comprises a helmet body, a pressure sensor, a camera and a controller, wherein the camera and the pressure sensor are embedded in the right side of the helmet body, the controller is fixedly arranged in the helmet body, and the camera and the pressure sensor are electrically connected with the controller. By tapping the pressure sensor, thecamera is controlled by the controller to take a picture, so that the picture taking time of a rider is shortened, and the smart helmet has high practicability; a storage battery is charged through solar energy, the outdoor exercise time of the rider is fully utilized, electric energy can be conveniently provided for a lighting lamp when a light sensor detects that it gets dark gradually, and thusthe safety of the rider riding at night is improved; real-time positioning is performed through a GPS positioning device, the position of the rider is constantly broadcasted through a voice broadcasting device, and thus the time for seeking the destination is shortened for the rider.